package net.zjitc.service;



import net.zjitc.mapper.UserMapper;
import net.zjitc.pojo.User;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

/**
 * @author:xuying
 * @date:2024/12/17 17:25:50
 **/

@Service
public class UserService {
    @Autowired
    private UserMapper userMapper;
    public User queryById(Long id){
        return userMapper.selectByPrimaryKey(id);
    }
    @Transactional
    public void saveUser(User user){
        System.out.println("新增用户");
        userMapper.insertSelective(user);
    }
}
